DR. SHAUNA FRANCES O'SULLIVAN D.O
NPI 1033181490
Internal Medicine - Rheumatology in Bethesda, MD

Active since February 01, 2006PECOS Enrolled
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4512 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Shauna Frances O'sullivan D.o NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SHAUNA FRANCES O'SULLIVAN D.O (NPI 1033181490) is an individual rheumatology provider in Bethesda, Maryland, licensed in Indiana (02002814A) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033181490
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. SHAUNA FRANCES O'SULLIVANCredential: D.O
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-3300
Mailing Address7700 Arlington Blvd Ste 5134Falls Church, VA 22042-5113 · (703) 681-8937
Sole ProprietorYes
Enumeration DateFebruary 1, 2006
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
NPI 1033181490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in IN · 02002814A
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
8901 ROCKVILLE PIKE, Bethesda, MD 20889

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Shauna Frances O'sullivan D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shauna O'sullivan's NPI number?

The NPI number for Shauna O'sullivan is 1033181490. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is Shauna O'sullivan located?

Shauna O'sullivan practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4512.

What is Shauna O'sullivan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Shauna O'sullivan enrolled in Medicare?

Yes. Shauna O'sullivan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Shauna O'sullivan was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.